#!/bin/bash

# $0 script path
# $1 action
# $2 subaction

node="$(which nodejs 2>/dev/null)";
if [ $? -gt 0 ];
	then node="$(which node)";
fi

function pidExists() {
	if [ -e "pidfile" ];
		then
			if ps -p $(cat pidfile) > /dev/null
				then return 1;
				else
					rm ./pidfile;
					return 0;
			fi
		else
			return 0;
	fi
}

case "$1" in
	start)
		echo "Starting NodeBB";
		echo "  \"./nodebb stop\" to stop the NodeBB server";
		echo "  \"./nodebb log\" to view server output";

		# Start the loader daemon
		"$node" loader "$@"
		;;

	stop)
		pidExists;
		if [ 0 -eq $? ];
			then
				echo "NodeBB is already stopped.";
			else
				echo "Stopping NodeBB. Goodbye!";
				kill $(cat pidfile);
		fi
		;;

	restart)
		pidExists;
		if [ 0 -eq $? ];
			then
				echo "NodeBB could not be restarted, as a running instance could not be found.";
			else
				echo "Restarting NodeBB.";
				kill -1 $(cat pidfile);
		fi
		;;

	reload)
		pidExists;
		if [ 0 -eq $? ];
			then
				echo "NodeBB could not be reloaded, as a running instance could not be found.";
			else
				echo "Reloading NodeBB.";
				kill -12 $(cat pidfile);
		fi
		;;

	status)
		pidExists;
		if [ 0 -eq $? ];
			then
				echo "NodeBB is not running";
				echo "  \"./nodebb start\" to launch the NodeBB server";
			else
				echo "NodeBB Running (pid $(cat pidfile))";
				echo "  \"./nodebb stop\" to stop the NodeBB server";
				echo "  \"./nodebb log\" to view server output";
				echo "  \"./nodebb restart\" to restart NodeBB";
		fi
		;;

	log)
		clear;
		tail -F ./logs/output.log;
		;;

	upgrade)
		npm install
		# ls -d node_modules/nodebb* | xargs -n1 basename | xargs npm install
		# ls -d node_modules/nodebb* | xargs -n1 basename | xargs npm update
		npm i nodebb-theme-vanilla nodebb-theme-lavender nodebb-widget-essentials
		"$node" app --upgrade
		touch package.json
		;;

	setup)
		"$node" app --setup "$@"
		;;

	reset)
		"$node" app --reset --$2
		;;

	dev)
		echo "Launching NodeBB in \"development\" mode."
		echo "To run the production build of NodeBB, please use \"forever\"."
		echo "More Information: https://docs.nodebb.org/en/latest/running/index.html"
		NODE_ENV=development "$node" loader --no-daemon "$@"
		;;

	watch)
		echo "***************************************************************************"
		echo "WARNING: ./nodebb watch will be deprecated soon. Please use grunt: "
		echo "https://docs.nodebb.org/en/latest/running/index.html#grunt-development"
		echo "***************************************************************************"
		NODE_ENV=development supervisor -q --ignore public/templates,public/nodebb.min.js,public/nodebb.min.js.map --extensions 'node|js|tpl|less' -- app "$@"
		;;

	*)
		echo "Welcome to NodeBB"
		echo $"Usage: $0 {start|stop|reload|restart|log|setup|reset|upgrade|dev|watch}"
		echo ''
		column -s '	' -t <<< '
		start	Start the NodeBB server
		stop	Stops the NodeBB server
		reload	Restarts NodeBB
		restart	Restarts NodeBB
		log	Opens the logging interface (useful for debugging)
		setup	Runs the NodeBB setup script
		reset	Disables all plugins, restores the default theme.
		upgrade	Run NodeBB upgrade scripts, ensure packages are up-to-date
		dev	Start NodeBB in interactive development mode
		watch	Start NodeBB in development mode and watch for changes
		'
		exit 1
esac